OpenTechnical

OT-2026-000101609

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000101609) never changes.

Identity and time

Publication numberOT-2026-000101609 · never reused
Internal UUID01a0aea4-0e15-7970-b702-3b2e2cb46155 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101609
StatusPUBLIC

Content hashes

Canonical texte7f30b36fccd84368ed4eadbc1c7d7ffca5f72ea8c7a6734c59b8d473d33c0c7
Markdowna87fbad3b4da19add45f649337cda4869fbe61c5a548fd5ff9e260eff7841b90
PDF
Publication pageec060bd02d1cb30e66b45db30e1c365aa60ab9653dd4a17d6df1fc48b3bf29bd
Manifestca6517e904950da5d39a1e61141db6e67293fb58f863bc1bd09b6e272d71d372

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureF7/etEv/AVkJvf3f43ReDp1jMbKa1SjnWmSIUPgccSH93bBXte324B8KjMsyiX1qWSAMgtsm1nBV1J4tcS9/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:43.416949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101609
observed ec060bd02d1cb30e66b45db30e1c365a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.396425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101609/manifest.json
observed ca6517e904950da5d39a1e61141db6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.378295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101609/publication.md
observed a87fbad3b4da19add45f649337cda486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.359053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101609/publication.txt
observed e7f30b36fccd84368ed4eadbc1c7d7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.